| 1 |
In cats the dominant allele W not only makes pure white but also causes |
- A. Black spots
- B. Brown spots
- C. Deafness
- D. Blindness
|
| 2 |
The interaction between different genes occupying different loci is |
- A. Pleiotropy
- B. Epistasis
- C. Bombay phenotype
- D. Linkage
|
| 3 |
A dichromate can perceive two primary colours but is unable to perceive the one whose opsins are missing due to |
- A. Metamorphosis
- B. Transmutation
- C. Alteration
- D. Mutation
|
| 4 |
If a man of M blood group marries a woman of N blood group all their childern will have blood group |
- A. MM
- B. NN
- C. MN
- D. None of these
|
| 5 |
The first restriction enzyme was isolated by. |
- A. Kary mulis
- B. Hamilton O smith
- C. Maxam Gilbert
- D. Sanger
|
| 6 |
DNA Polymerase enzyme was isolated from. |
- A. Viruses
- B. Bacteria
- C. Protozoa
- D. Fungi
|
| 7 |
Different alleles of a gene that are both expressed in heterozygous condition are called. |
- A. codominant
- B. Over dominant
- C. Complete dominant
- D. Incomplete dominant
|
| 8 |
A gene with multiple phenotypic effect is. |
- A. Polygenic
- B. Bombay type
- C. Pleiotropic
- D. Monogenic
|
| 9 |
A clear picture of the genetic basis of sex determination emerged after the discovery of |
- A. Autosomes
- B. X chromosomes
- C. Sex chromosomes
- D. Y chromosomes
|
| 10 |
Recombinant DNA is introduced into the host cell by means of a. |
- A. Vector
- B. Phage
- C. Bacterium
- D. Fungus
|